19493744

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{3491}}^1$

素因数の和:3848

約数の個数: 20

約数和(自身を含む): 37888200

約数和(自身を除く): 18394456

約数列:

[1, 2, 4, 8, 16, 349, 698, 1396, 2792, 3491, 5584, 6982, 13964, 27928, 55856, 1218359, 2436718, 4873436, 9746872, 19493744]

約数ペア:

[(1, 19493744), (2, 9746872), (4, 4873436), (8, 2436718), (16, 1218359), (349, 55856), (698, 27928), (1396, 13964), (2792, 6982), (3491, 5584)]